Re: [Qemu-devel] [PATCH 1/7] serial: add serial_chr_nonnull() to use the null backend when none provided

[Thomas Huth <thuth@redhat.com>]

On 31.08.2017 17:20, Philippe Mathieu-Daudé wrote:
> On 08/31/2017 02:19 AM, Thomas Huth wrote:
>> On 31.08.2017 05:53, Philippe Mathieu-Daudé wrote:
> [...]>> +Chardev *serial_chr_nonnull(Chardev *chr)
>>> +{
>>> +    static int serial_id;
>>> +    char *label;
>>> +
>>> +    label = g_strdup_printf("discarding-serial%d", serial_id++);
>>> +    chr = qemu_chr_new(label, "null");
>>
>> That looks wrong - you're ignoring the input parameter and always open
>> the "null" device? Shouldn't there be a "if (chr) return chr;" in front
>> of this?
> 
> You right. I had this correct in my first patch when this code was
> embedded, I then failed at extracting as another function :/
> 
>>
>>> +    assert(chr);
>>> +    g_free(label);
>>> +
>>> +    return chr;
>>> +}
>>
>>   Thomas
>>
>> PS: I think you should also merge the two patches together, they are
>> small enough.
> 
> Ok.

Well, I wrote that comment about merging the two patches together when I
was thinking that your series consists of only two patches (since I've
only been CC:-ed on the first two patches). So please simply ignore that
suggestion :-)

 Thomas